Home / 70,308,807.84-97,026,930.80-38,947,337.20

Finding the Fourth Proportional to 70,308,807.84, 97,026,930.80 and 38,947,337.20

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Solution

The fourth proportional to 70,308,807.84, 97,026,930.80 and 38,947,337.20 is: 53,747,755.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,308,807.84 : 97,026,930.80 = 38,947,337.20 : x
  2. Step 2: Convert to fraction form
    70,308,807.84/97,026,930.80 = 38,947,337.20/x
  3. Step 3: Cross multiply
    70,308,807.84x = 97,026,930.80 × 38,947,337.20
  4. Step 4: Simplify right side
    70,308,807.84x = 3,778,940,591,348,666
  5. Step 5: Solve for x
    x = 3,778,940,591,348,666/70,308,807.84
  6. Step 6: Final answer
    x = 53,747,755.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.